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LBBBI15 > CARDIOVASCULAR PHYSIOLOGY > Flashcards

CARDIOVASCULAR PHYSIOLOGY Flashcards

1
Q

The heart transports _____, ______, and _________.

A

blood, oxygen, nutrients

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2
Q

carries oxygenated blood away from the heart EXCEPT the pulmonary vein

a) heart
b) aorta
c) arteries
d) ventricles

A

Arteries

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3
Q

carries blood to the systemic circulation

a) arteries
b) aorta
c) veins
d) heart

A

Aorta

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4
Q

carries deoxygenated blood to the heart, EXCEPT the pulmonary artery

a) arteries
b) aorta
c) veins
d) heart

A

Veins

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5
Q

carries blood to the heart from the systemic circulation

a) aorta
b) arteries
c) aortic valve
d) vena cava

A

Vena Cava

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6
Q

Prevent backflow of blood

a) ventricles
b) arteries
c) veins
d) valves

A

Valves

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7
Q

found in the RIGHT side of the heart and separates the RA from the RV

a) tricuspid valve
b) aortic valve
c) mitral valve
d) pulmonic valve

A

Tricuspid valve

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8
Q

found in the LEFT side of the heart and separates the LA from the LV

a) tricuspid valve
b) aortic valve
c) mitral valve
d) pulmonic valve

A

Mitral valve

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9
Q

allows blood flow to the Aorta

a) mitral valve
b) tricuspid valve
c) pulmonic valve
d) aortic valve

A

Aortic valve

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10
Q

allows blood flow to the Pulmonary Artery

a) mitral valve
b) tricuspid valve
c) pulmonic valve
d) aortic valve

A

Pulmonic valve

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11
Q

What do you call the primer pump for the ventricles?

a) arteries
b) aorta
c) atrium
d) ventricles

A

Atrium

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12
Q

Atrial contraction contributes to what percentage of ventricular filling?

a) 10%
b) 40%
c) 30%
d) 20%

A

20%

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13
Q

What is the importance of Automaticity & Rhythmicity?

A

initiating and conducting action potentials

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14
Q

The arteries that supply the heart:

a) coronary sinus
b) vena cava
c) coronary arteries
c) aortic valve

A

Coronary Arteries

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15
Q

The cardiac veins drain into the:

a) coronary sinus
b) vena cava
c) coronary arteries
c) aortic valve

A

Coronary sinus

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16
Q

Heard in the 2nd ICS, right parasternal border

a) aortic valve
b) pulmonic valve
c) tricuspid valve
d) mitral valve

A

Aortic valve

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17
Q

Heard in the 2nd ICS, left parasternal border

a) aortic valve
b) pulmonic valve
c) tricuspid valve
d) mitral valve

A

Pulmonic valve

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18
Q

Heard in the 5th ICS, left parasternal border

a) aortic valve
b) pulmonic valve
c) tricuspid valve
d) mitral valve

A

Tricuspid valve

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19
Q

Heard in the 5th ICS, midclavicular line

a) aortic valve
b) pulmonic valve
c) tricuspid valve
d) mitral valve

A

Mitral valve

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20
Q

The peacemaker of the heart

A

Sinoatrial Node

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21
Q

Electrical activity is carried:

A

SA Node –> AV Node –> Bundle of His –> Left and Right Bundle Branches

22
Q

– Rapid depolarization
– Due to Na+ influx

a) phase 2
b) phase 3
c) phase 4
d) phase 0

A

Phase 0

23
Q

– Brief period of repolarization
– Due to K+ efflux and decrease in Na+ influx

a) phase 2
b) phase 1
c) phase 3
d) phase 0

A

Phase 1

24
Q

– Plateau of AP
– Due to increase in Ca2+ influx
– Ensure adequate ventricular filling

a) phase 2
b) phase 3
c) phase 4
d) phase 0

A

Phase 2

25
Q

– Repolarization
– Decrease in Ca2+ influx and increase K+ efflux

a) phase 2
b) phase 3
c) phase 4
d) phase 0

A

Phase 3

26
Q

– Resting membrane potential (RMP)

a) phase 2
b) phase 3
c) phase 4
d) phase 0

A

Phase 4

27
Q

P wave:

A

Atrial depolarization

28
Q

QRS complex:

A

Ventricular depolarization

29
Q

T wave:

A

Ventricular repolarization

30
Q

PR segment: represents the duration of

a) AV conduction
b) SA conduction
c) Bundle of His

A

AV conduction

31
Q

ST segment: ___________; correlates with plateau of ventricular action potential

A

isoelectric (reflects ventricular recovery)

32
Q

Normal heart rate =

a) 20-40 bpm
b) 60-80 bpm
c) 40-60 bpm
d) 60-100 bpm

A

60-100 bpm

33
Q
  • Take the number of ‘big boxes’ between each R wave. Divide 300 by this number.
  • Only for regular rhytyhms.
A

Rule of 300

34
Q
  • Take the number of ‘small boxes’ between each R wave. Divide 1500 by this number.
  • Only for regular rhythms.
A

Rule of 1500

35
Q

Take the number of QRS complexes in 10 seconds and multiply by 6

A

10 second rule

36
Q

Use ________ to determine rhythm and rate

A

Lead II

37
Q

“Normal rate, regular _______ _______”

A

sinus rhythm

38
Q

During systole, there is a sudden (increase, decrease) in pressure.

A

increase

39
Q

Blood pressure is (highest, lowest) after systole and is (highest, lowest) during diastole

A

After systole = highest
During diastole = lowest

40
Q

Normal range for Blood Pressure

a) sinoatrial node
b) 90/60 mmHg to 130/131 mmHg
c) 90/60 mmHg to 120/80 mmHg
d) 100/105 mmHg to 120/80 mmHg

A

90/60 mmHg to 120/80 mmHg

41
Q

Bladder cuff

A

Small cuff: Overestimation
Large cuff: Underestimation

42
Q

receives blood from the systemic or pulmonary circulation

a) arteries
b) ventricles
c) atrium
d) aorta

A

Atrium

43
Q

What happens when a large cuff is used to measure blood pressure?

a) overestimation of BP
b) underestimation of BP

A

Underestimation of BP

44
Q

What happens when a small cuff is used to measure blood pressure?

a) overestimation of BP
b) underestimation of BP

A

Overestimation of BP

45
Q

What instrument is used during indirect/noninvasive measuring of blood pressure?

a) spirometer
b) catheter
c) sphygmomanometer
d) thermometer

A

Sphygmomanometer

46
Q

What instrument is used during direct/invasive measuring of blood pressure?

a) spirometer
b) catheter
c) sphygmomanometer
d) thermometer

A

Catheter

47
Q

4 chambers of the heart

a) 2 atria 1 ventricle
b) 2 arteries 2 veins
c) 2 atria 2 ventricles
d) 1 atrium 2 ventricles

A

2 atria 2 ventricles

48
Q

The pacemaker of the heart

a) ventricles
b) tricuspid valve
c) sinoatrial node
d) atrial node

A

Sinoatrial node

49
Q

Other pacemakers of the heart

a) AV node, bundle of His, and Purkinje fibers
b) 5th ICS, left parasternal border
c) 5th ICS, midclavicular line

A

AV node, bundle of His, and Purkinje fibers

50
Q

Valve that separates the atria and ventricles

a) tricuspid valve
b) mitral valve
c) arteries
d) atrioventricular valves

A

Atrioventricular valves

51
Q

Pumps blood to the systemic or pulmonary circulation

a) ventricles
b) arteries
c) veins
d) aorta

A

Ventricles

52
Q

A muscular organ situated in the center of the chest behind the sternum and pumps blood towards the pulmonary and systemic circulation

a) arteries
b) veins
c) aorta
d) heart

A

Heart

LBBBI15 (10 decks)

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